Re: OLPC 'upstream'

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On Thu, Feb 09, 2006 at 01:11:35PM +0000, Andy Green wrote:
> Buffers "In Cacahe Scratchpad RAM", but it says that for the GX500
> variant being specified at the moment, BLT Buffers are "FIFOs in GP".
> It also says above

Not 100% sure. 

> ? A 32-bit datapath that can support 32-bit ARGB full
> color.

Thats actually the important but unsupported by X bit right now. Its got
render acceleration so can support EXA which is important for compositing
and friends.

> ? Incorporated BLT FIFOs to replace the cache based
> BLT buffers used in the GX1 processor.

Sounds promising

> If true that's good news, because losing the cache wouldn't help video
> playback.

The Geode is not bad at video because it does have hardware colour conversion
and scaling overlay logic in most variants of the support chip. 

Alan

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